Manual for submarine mining

"Manual for Submarine Mining" by the United States War Department is a technical document that acts as a guide for military members learning about using underwater mines, explaining everything from what they are to how to set them up. It starts by explaining the different kinds of mines, like the ones that float and the ones that sit on the bottom, and how they can be used to protect against enemy ships. The manual discusses the purpose and types of submarine mines, focusing on buoyant and ground mines, and their strategic use in defensive naval tactics. It moves quickly into explaining how to build mine systems, including what tools and cables are needed. This gives soldiers the basic knowledge they need before getting into the more complicated parts of using mines. The manual offers a systematic rundown of how to use the systems; it's a straightforward dive into the tech and strategy of underwater mining.